Lubricants and fuels, namely, oil, natural gas and liquid natural gas; and industrial oils and greases

Clothing, namely, shirts, t-shirts, caps, hats, visors, pants, jackets, sweaters, coveralls, jump suits and shop uniforms

Consultation services regarding the leasing or purchasing of industrial materials used in the fields of energy exploration and production

Insurance and financial services, namely, financial management and services in the nature of financial evaluation for insurance purposes and escrow contracts, for the maintenance of escrow accounts for investments, all in the fields of energy exploration and production; trust services, namely, investment and trust company services in the fields of energy exploration and production; services connected with monetary affairs vouched for by trustees, namely, trusteeship representatives, real estate trustees in the fields of energy exploration and production; issuance, receipt and transfer of lines of credit in the fields of energy exploration and production

Treatment of materials, namely, services rendered through the mechanical and chemical processing and transformation of organic and inorganic substances in the fields of energy exploration and production, namely, natural gas, liquid natural gas, oil, gasses obtained from oil wells

Computer services, namely, the computerized compilation of data and information regarding work sites and other resources in the fields of energy exploration and production, wherein said data and information is compiled by technically-oriented professionals, namely, geologists, chemists, physicists, geophysicists, engineers and computer specialists; scientific services in the fields of energy exploration and production, namely, scientific services provided by technically-oriented professionals, namely, geologists, chemists, physicists, geophysicists, engineers and computer specialists

Legal services in the fields of energy exploration and production